Measurements:
°C
°F
St. George Island
68°F
SW 11 mph
Feels like: 68°F
Precip: 5%
World Resorts USA St. George Island Weather

St. George Island Sea Water Temperature

Current Sea Water Temperature:
+73.6°F
Maximum Sea Water Temperature in October: 87.4°F
Minimum Sea Water Temperature in October: 72.8°F
Average water temperature in October: 80.3°F

Sea Water Temperature for the Last 10 Days:

October 26 73.6°F October 21 77.6°F
October 25 74.0°F October 20 79.6°F
October 24 74.6°F October 19 82.0°F
October 23 73.2°F October 18 83.0°F
October 22 75.2°F October 17 84.0°F

When is the Warmest Sea for St. George Island?

According to our data for the last three years for St. George Island the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for St. George Island was 90.8°F. The maximum and minimum values were 89.2°F and 92.4°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for St. George Island was 90.3°F. The maximum and minimum values were 88.2°F and 92.2°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for St. George Island was 89.1°F. The maximum and minimum values were 86.2°F and 91.0°F respectively.

Best Time to Visit St. George Island
The most sunny months:
October 19 days
March 16 days
April 16 days
The most warm months:
July 91.2 °F
August 90.6 °F
June 88.9 °F
Warmest sea temperature:
August 90.6 °F
July 89.6 °F
September 87.8 °F
The most cold months:
January 59.9 °F
December 63.9 °F
February 64.5 °F
The most rainy months:
August 5 days
July 4 days
June 3 days
The most windy months:
January 9 mph
November 9 mph
March 9 mph

St. George Island on the Weather Map

USA Resorts:
NAME
F°
Boston +58
Chicago +58
Hawaii +80
Houston +74
Las Vegas +64
Los Angeles +74
Maui +72
Miami +82
New York +62
Panama City Beach +64
San Diego +74
San Francisco +60
Santa Monica +72
Tampa +72
Washington +58
24 Hours Weather Forecast
St. George Island
Local time: 00:48
27 oct, tuesday
0300 66°F
SW
9 mph
0600 64°F
SW
11 mph
0900 64°F
SW
9 mph
1200 78°F
SW
10 mph
1500 82°F
W
7 mph
1800 80°F
W
4 mph
2100 70°F
S
7 mph
28 oct, wednesday
0000 70°F
SW
9 mph